import type { PromoterKey, Promoter } from "./types.js";
/**
 * Registry of Promoters keyed by PromoterKey {domain, kind?}.
 *
 * Resolution precedence (sc-1-2):
 *   1. domain+kind specific match
 *   2. domain-only fallback
 *   3. undefined — the CLI handler converts this to process.exitCode=1 (sc-1-5)
 *
 * resolve() returns undefined (never throws) for unsupported domains.
 * Modelled on src/orchestrator/checkpoints/registry.ts keyed-registry pattern.
 */
export declare class PromoterRegistry {
    private readonly map;
    /** Register a Promoter under the given key. Overwrites any prior registration. */
    register(key: PromoterKey, promoter: Promoter): void;
    /**
     * Resolve the Promoter for a given key.
     * Tries domain+kind first; falls back to domain-only; returns undefined if neither exists.
     */
    resolve(key: PromoterKey): Promoter | undefined;
}
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